Liquid multi-stage filtering device for cosmetic production and use method of liquid multi-stage filtering device

Abstract

The invention discloses a liquid multi-stage filtering device for cosmetic production and a using method thereof.The multi-stage filtering device comprises a discharging pretreatment mechanism, a coagulum treatment mechanism, a conveyor and an impurity treatment mechanism, the conveyor is transversely arranged, the two sides of the bottom side of the conveyor are supported through side plates, and the coagulum treatment mechanism is slidably connected to the conveyor; the impurity treatment mechanism is arranged on the lower side of the middle of the conveyor, and the blanking pretreatment mechanism is arranged on the upper side of the conveyor; the discharging pretreatment mechanism is erected on side plates on the two sides of the conveyor through a support, the discharging pretreatment mechanism is provided with a hopper, floating foam rolling brushes, a first speed reducer and a gear, the hopper is a trapezoidal hopper with a large opening in the upper end and a bin in the lower end, and the floating foam rolling brushes are arranged in the bin of the hopper in parallel. The cosmetic liquid is subjected to multi-stage treatment through a multi-stage filtering means, the problems of oil films, floating foam, heavy metal impurities and cosmetic clots puzzling the industry can be solved, and the efficiency is higher.

Description

Technical Field

[0001] The invention relates to the field of cosmetic production, and in particular to a liquid multi-stage filtering device for cosmetic production and a use method thereof. Background Art

[0002] Cosmetics, especially emulsion cosmetics, need to go through multiple stages of filtration during the production process to filter out particulate matter in the liquid, making the cosmetics more uniform and smooth as a whole. The common multi-stage filtration devices for raw materials used in cosmetic production on the market are mostly similar in structure, with multiple sets of filter barrels as the main body, and filter screens installed in the filter barrels. Liquid cosmetic raw materials are pumped into the filter barrels through a booster pump, and impurities in the cosmetic raw materials are removed after multi-stage filtration.

[0003] (1) Chinese patent CN221131206U discloses a multi-stage filter for raw materials used in cosmetic production, which processes liquid cosmetics through a three-stage filter barrel; (2) Chinese patent CN221579952U discloses a multi-stage filtering device for raw materials used in the production of cosmetics, which filters the raw materials for producing liquid cosmetics by adopting a multi-stage filtering method; (3) Chinese patent CN202010734508.X discloses a multi-stage filtration device for the production of liquid cosmetics, which is provided with multiple groups of independently controllable filtration devices. It is possible to connect filtration devices of different orders of magnitude according to production needs, and then perform multi-stage filtration, which can reasonably allocate production resources and save production costs.

[0004] Based on the above prior art, the inventors found that the existing multi-stage filtering devices often have the following problems: 1. When filtering and processing cosmetic raw materials, some cosmetic agglomerates / oil films often cannot be filtered and processed in time. The agglomerates / oil films will clog the filter, thus affecting the filtering effect. 2. When the filter device needs to be cleaned during daily use, the internal filter structure is complex and difficult to replace, resulting in a long replacement time. 3. It is unable to filter or adsorb heavy metal impurities, resulting in a relatively single filtering and processing function; In addition, with regard to the treatment of cosmetic agglomerates, Chinese patent CN118577035A discloses a multi-stage filtration device for liquids used in cosmetic production. This multi-stage filtration device uses a grinding component to decompose and filter cosmetic agglomerates in a timely manner, thereby enhancing the filtration effect and preventing cosmetic liquid from remaining on the filter screen and affecting normal use. However, in actual use, since some cosmetics contain oil film, the oil film will adhere to the head of the grinding component, causing the head to slip. At the same time, the device can only achieve preliminary filtration, resulting in a small practical application prospect. Summary of the invention

[0005] The object of the present invention is to provide a liquid multi-stage filtration device for cosmetic production and a method of using the same, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a liquid multi-stage filtration device for cosmetic production, comprising a material discharging pretreatment mechanism, a coagulant processing mechanism, a conveyor and an impurity processing mechanism, wherein the conveyor is arranged horizontally and its bottom sides are supported by side plates, the coagulant processing mechanism can be slidably connected to the conveyor, the impurity processing mechanism is installed on the lower side of the middle of the conveyor, and the material discharging pretreatment mechanism is installed on the upper side of the conveyor; the material discharging pretreatment mechanism is mounted on the side plates on both sides of the conveyor through a bracket, the material discharging pretreatment mechanism has a hopper, a foam roller brush, a first reducer and a gear, wherein the hopper is a trapezoidal hopper with a large opening at the upper end and a chamber at the lower end, the foam roller brush is provided with two groups and is arranged in parallel in the chamber of the hopper, the rear ends of the two groups of foam roller brushes pass through the chamber and are connected to the gear, the first reducer is installed on one side of the hopper and its shaft end is meshed with the gear through a toothed disc and causes the two groups of foam roller brushes to rotate.

[0007] Preferably, a valve for controlling the discharge of cosmetic liquid is provided on the lower side of the chamber of the hopper, and the coagulum processing mechanism can be moved by a conveyor and is used to receive the cosmetic liquid. The coagulum processing mechanism includes a frame, a vibrator module, a support frame, a processing module and a discharge plate, wherein a support frame is installed on the upper side of the frame, and multiple groups of vibrator modules are installed around the lower side of the frame, and the vibrator modules include cam-type vibrators and / or swing-arm-type vibrators.

[0008] Preferably, the support frame is provided with a plurality of openings, each of which is equipped with a processing module, wherein the processing module is a processing chamber with an opening on the top side and an outer edge provided on the edge of the processing chamber opening that can be hung on the opening of the support frame.

[0009] Preferably, the bottom and the outer side of the bottom of the processing bin are provided with openings, and a pre-processing chamber is provided in the processing bin, and multiple layers of steel mesh for cutting coagulation blocks are provided in the pre-processing chamber. Multiple processing bins can be moved to the bottom of the hopper output end by a conveyor and receive the cosmetic liquid, and the vibrator module is used to generate vibration so that the steel mesh cuts the coagulation blocks in the cosmetic liquid. Several processing modules are provided, and each processing module can be freely replaced. After the cosmetic liquid enters the processing module, most of the liquid can be directly discharged through the opening at the bottom of the processing module. Cosmetics containing coagulation blocks can be cut by the steel mesh in the bin body with high-intensity vibration, which can achieve a better cutting effect.

[0010] Preferably, the blanking plate is installed on the inner side of the frame and is located directly below the support frame. The length and size of the blanking plate are larger than the size of the support frame. Guard edges are integrally formed on both sides of the blanking plate. The blanking plate is tilted downward and guides the liquid processed by the processing module to the impurity processing mechanism.

[0011] Preferably, the impurity handling mechanism includes a machine chamber, a flushing pipe, an impurity roller, a third reducer, and a liquid outlet pipe, wherein the top of the machine chamber is provided with an opening connected to the output end of the blanking plate, a flushing pipe is provided on the top side of the machine chamber, an impurity roller is rotatably installed in the machine chamber cavity, and a third reducer for driving the impurity roller to rotate is provided on the outside of the machine chamber; the flushing pipe is connected to an external water source, and a high-pressure flushing head is provided on the lower side of the flushing pipe facing the impurity roller; the impurity roller includes a roller end and a heavy metal adsorption rod, wherein the heavy metal adsorption rod is distributed in a circular ring and its two ends are respectively connected to the roller end, and a gap is provided between two adjacent heavy metal adsorption rods.

[0012] Preferably, a long opening is provided on one side of the bottom of the impurity drum, and the liquid outlet pipe is connected to the long opening on one side of the bottom of the impurity drum through a square flange. The liquid outlet pipe can be connected to an external fine processing device, and the liquid outlet pipe outputs the cosmetic liquid after pretreatment, coagulant treatment, and heavy metal impurity treatment.

[0013] Preferably, the conveyor includes an outer frame, a conveying steel belt, a power sprocket, an unpowered sprocket and a second reducer, wherein the power sprocket is distributed on both sides of the inner side of the outer frame, the unpowered sprocket is distributed between the two power sprockets, the power sprocket is driven by the second reducer, the conveying steel belt is wrapped around the two power sprockets and multiple unpowered sprockets, and a rack that can engage with the power sprocket and the unpowered sprocket is provided on the inner side of the conveying steel belt.

[0014] Preferably, the present invention also provides a method for using the above-mentioned liquid multi-stage filtration device for cosmetic production, comprising the steps of: S1: The cosmetic liquid is pumped into the hopper, and the hopper drives two sets of foam roller brushes to rotate through the first reducer, and the foam roller brushes are used to adhere the foam, oil film and large-sized impurities in the cosmetic liquid; S2: After installing several processing modules, the coagulation block processing mechanism is transported to the bottom of the hopper by a conveyor, and the liquid after the froth treatment is discharged into the coagulation block processing mechanism through a valve. The coagulation block processing mechanism uses a vibrator module to generate vibration so that the steel mesh repeatedly cuts the coagulation blocks in the cosmetic liquid, so that the coagulation blocks in the cosmetic liquid are melted; S3: The cosmetic liquid after the melting of the coagulant is transported to the impurity treatment mechanism through the unloading plate. The impurity treatment mechanism uses the rotating impurity roller to absorb the heavy metal impurities in the cosmetic liquid. In addition, large-sized impurities that have not been pre-treated by unloading and the coagulant can also be stuck in the gap of the impurity roller. The cosmetic liquid treated by the impurity treatment mechanism is discharged through the liquid outlet pipe for the next fine filtration process.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The filtering device of the present invention is composed of a material pretreatment mechanism, a coagulum treatment mechanism, a conveyor and an impurity treatment mechanism, which can respectively perform pretreatment (oil film, foam, large-sized impurity adhesion), coagulum treatment (coagulum vibration cutting, through vibration and steel mesh cutting, the coagulum in the liquid is shaken off, and the device does not need to pay attention to the influence of the oil film), and impurity treatment (through the rotation of the impurity drum to absorb heavy metal impurities in the cosmetic liquid). The above multi-stage filtration means can be used to perform multi-stage treatment on the cosmetic liquid, which can solve the problems of oil film, foam, heavy metal impurities and cosmetic coagulum that plague the industry, and it is more efficient and the equipment cleaning is also more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall planar structure of the present invention; Figure 2 It is a structural schematic diagram of the material pretreatment mechanism and the conveyor of the present invention; Figure 3 It is a structural schematic diagram of the material pretreatment mechanism of the present invention; Figure 4 It is a structural schematic diagram of the agglomerate processing mechanism of the present invention; Figure 5 It is a structural schematic diagram of the support frame and the processing module of the present invention; Figure 6 It is a structural schematic diagram of the processing module of the present invention; Figure 7 It is a structural schematic diagram of the impurity treatment mechanism of the present invention.

[0017] In the figure: 1. material pretreatment mechanism; 101. hopper; 102. foam roller brush; 103. first reducer; 2. agglomerate processing mechanism; 201. frame; 202. vibrator module; 203. support frame; 204. material discharge plate; 205. opening; 206. processing chamber; 207. steel mesh; 3. conveyor; 301. outer frame; 302. conveyor steel belt; 303. second reducer; 4. impurity processing mechanism; 401. chamber; 402. flushing pipe; 403. impurity roller; 404. third reducer; 405. liquid outlet pipe. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "vertical", "up", "down", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0020] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] See also Figure 1-Figure 3 The present invention provides a technical solution: a liquid multi-stage filtration device for cosmetic production, comprising a material pretreatment mechanism 1, a coagulum processing mechanism 2, a conveyor 3 and an impurity processing mechanism 4, wherein the conveyor 3 is arranged horizontally and supported by side plates on both sides of its bottom, the coagulum processing mechanism 2 can be slidably connected to the conveyor 3, the impurity processing mechanism 4 is installed on the lower side of the middle of the conveyor 3, and the material pretreatment mechanism 1 is installed on the upper side of the conveyor 3; the material pretreatment mechanism 1 is mounted on both sides of the conveyor 3 through a bracket On the side plate, the material pretreatment mechanism 1 has a hopper 101, a foam roller brush 102, a first reducer 103 and gears, wherein the hopper 101 is a trapezoidal hopper with a large opening at the upper end and a chamber at the lower end, and two groups of foam roller brushes 102 are provided and are arranged in parallel in the chamber of the hopper 101, and the rear ends of the two groups of foam roller brushes 102 pass through the chamber and are connected to the gears, and the first reducer 103 is installed on one side of the hopper 101 and its shaft end is meshed with the gear through a toothed disc to rotate the two groups of foam roller brushes 102.

[0022] See also Figure 4-Figure 6 In this embodiment, a valve for controlling the discharge of cosmetic liquid is provided at the lower side of the chamber of the hopper 101. The coagulum processing mechanism 2 can be moved by the conveyor 3 and is used to receive the cosmetic liquid. The coagulum processing mechanism 2 includes a frame 201, a vibrator module 202, a support frame 203, a processing module and a discharge plate 204, wherein the support frame 203 is installed on the upper side of the frame 201, and multiple groups of vibrator modules 202 are installed around the lower side of the frame 201. The vibrator module 202 includes a cam vibrator and / or a swing arm vibrator.

[0023] In this embodiment, a plurality of openings 205 are arranged on the support frame 203, and a processing module is installed in each opening 205. The processing module is a processing chamber 206, and the top side of the processing chamber 206 is open. The edge of the opening of the processing chamber 206 is provided with an outer edge that can be hung on the opening 205 of the support frame 203.

[0024] In this embodiment, openings 205 are provided at the bottom and the outer side of the bottom of the processing bin 206, and a pre-treatment chamber is provided in the processing bin 206. The pre-treatment chamber is provided with multiple layers of steel mesh 207 for cutting coagulated blocks. The multiple processing bins 206 can be moved to the bottom of the output end of the hopper 101 through the conveyor 3 to receive the cosmetic liquid, and the vibrator module 202 is used to generate vibration to enable the steel mesh 207 to cut the coagulated blocks in the cosmetic liquid.

[0025] In this embodiment, several processing modules are provided, and each processing module can be replaced freely. After the cosmetic liquid enters the processing module, most of the liquid can be directly discharged through the opening 205 at the bottom of the processing module. Cosmetics containing agglomerated blocks can be cut by the steel mesh 207 in the bin body in combination with high-intensity vibration, which can achieve a better cutting effect.

[0026] In this embodiment, the unloading plate 204 is installed on the inner side of the frame 201 and is located directly below the support frame 203. The length and size of the unloading plate 204 are larger than the size of the support frame 203. Guard edges are integrally formed on both sides of the unloading plate 204. The unloading plate 204 is tilted downward and guides the liquid processed by the processing module to the impurity processing mechanism 4.

[0027] See also Figure 7 In this embodiment, the impurity handling mechanism 4 includes a machine chamber 401, a flushing pipe 402, an impurity roller 403, a third reducer 404, and a liquid outlet pipe 405, wherein the top of the machine chamber 401 is provided with an opening connected to the output end of the blanking plate 204, the top side of the machine chamber 401 is provided with a flushing pipe 402, an impurity roller 403 is rotatably installed in the cavity of the machine chamber 401, and a third reducer 404 for driving the impurity roller 403 to rotate is provided on the outside of the machine chamber 401; the flushing pipe 402 is connected to an external water source, and a high-pressure flushing head facing the impurity roller 403 is provided on the lower side of the flushing pipe 402; the impurity roller 403 includes a roller end and a heavy metal adsorption rod, wherein the heavy metal adsorption rod is distributed in a circular ring and its two ends are respectively connected to the roller end, and a gap is provided between two adjacent heavy metal adsorption rods.

[0028] In this embodiment, a long opening is provided on one side of the bottom of the impurity drum 403, and a liquid outlet pipe 405 is connected to the long opening on one side of the bottom of the impurity drum 403 through a square flange. The liquid outlet pipe 405 can be connected to an external fine processing device, and the liquid outlet pipe 405 outputs the cosmetic liquid after pretreatment, coagulant treatment, and heavy metal impurity treatment.

[0029] See also Figure 2 In this embodiment, the conveyor 3 includes an outer frame 301, a conveyor steel belt 302, a power sprocket, a non-powered sprocket and a second reducer 303, wherein the power sprocket is distributed on both sides of the inner side of the outer frame 301, the non-powered sprocket is distributed between the two power sprockets, the power sprocket is driven by the second reduction gear, the conveyor steel belt 302 surrounds the two power sprockets and multiple non-powered sprockets, and the inner side of the conveyor steel belt 302 is provided with a rack that can mesh with the power sprocket and the non-powered sprocket. The design significance of the conveyor 3 is that after the impurity treatment is completed, it can drive the coagulation block processing mechanism 2 to move outward, which is convenient for the disassembly and cleaning of the coagulation block processing mechanism 2, and also convenient for the maintenance of the valve at the bottom of the hopper 101.

[0030] In this embodiment, a method for using the above-mentioned multi-stage filtration device for liquid in cosmetic production is also provided, comprising the steps of: S1: The cosmetic liquid is pumped into the hopper 101, and the hopper 101 drives two sets of foam roller brushes 102 to rotate through the first reducer 103, and the foam roller brushes 102 are used to adhere the foam, oil film and large-sized impurities in the cosmetic liquid; S2: After installing several processing modules, the coagulation block processing mechanism 2 is transported to the bottom of the hopper 101 through the conveyor 3, and the liquid after the froth treatment is discharged into the coagulation block processing mechanism 2 through the valve. The coagulation block processing mechanism 2 uses the vibrator module 202 to generate vibration so that the steel mesh 207 repeatedly cuts the coagulation blocks in the cosmetic liquid, so that the coagulation blocks in the cosmetic liquid are melted; S3: The cosmetic liquid after the melting of the coagulation block is transported to the impurity treatment mechanism 4 through the unloading plate 204. The impurity treatment mechanism 4 uses the rotating impurity roller 403 to absorb the heavy metal impurities in the cosmetic liquid. In addition, large-sized impurities that have not been pre-treated by unloading and the coagulation block treatment can also be stuck in the gap of the impurity roller 403. The cosmetic liquid treated by the impurity treatment mechanism 4 is discharged through the liquid outlet pipe 405 for the next fine filtration process.

[0031] The above-mentioned filtering equipment is composed of a material pretreatment mechanism 1, a coagulum treatment mechanism 2, a conveyor 3 and an impurity treatment mechanism 4, which can respectively perform pretreatment (oil film, foam, large-sized impurity adhesion), coagulum treatment (coagulum vibration cutting, through vibration and steel mesh 207 cutting, the coagulum in the liquid is shaken off, and the device does not need to pay attention to the influence of the oil film), and impurity treatment (through the impurity roller 403 rotating to absorb heavy metal impurities in the cosmetic liquid). The above multi-stage filtration means can be used to perform multi-stage treatment on the cosmetic liquid, which can solve the problems of oil film, foam, heavy metal impurities and cosmetic coagulum that plague the industry, and it is more efficient and the equipment cleaning is also more convenient.

[0032] It is worth noting that the entire device is controlled by a general control system. Since the equipment matched with the control system is commonly used equipment and belongs to existing mature technology, its electrical connection relationship and specific circuit structure will not be described in detail here.

[0033] The standard parts used in the present invention can all be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0034] In the drawings of the embodiments disclosed in the present invention, only the structures related to the embodiments disclosed in the present invention are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present invention can be combined with each other.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A liquid multi-stage filtration device for cosmetic production, It is characterized in that The invention comprises a material discharging pretreatment mechanism (1), a coagulation block treatment mechanism (2), a conveyor (3) and an impurity treatment mechanism (4), wherein the conveyor (3) is arranged horizontally and supported by side plates on both sides of its bottom, the coagulation block treatment mechanism (2) can be slidably connected to the conveyor (3), the impurity treatment mechanism (4) is installed on the lower side of the middle of the conveyor (3), and the material discharging pretreatment mechanism (1) is installed on the upper side of the conveyor (3); the material discharging pretreatment mechanism (1) is installed on the side plates on both sides of the conveyor (3) through a bracket, and the material discharging pretreatment mechanism (1) is installed on the upper side of the conveyor (3). The structure (1) comprises a hopper (101), a foam roller brush (102), a first speed reducer (103) and a gear, wherein the hopper (101) is a trapezoidal hopper with a large opening at the upper end and a chamber at the lower end, two groups of foam roller brushes (102) are provided and are arranged in parallel in the chamber of the hopper (101), the rear ends of the two groups of foam roller brushes (102) pass through the chamber and are connected to the gear, and the first speed reducer (103) is installed on one side of the hopper (101) and its shaft end is meshed with the gear through a toothed disc and causes the two groups of foam roller brushes (102) to rotate.

2. A liquid multi-stage filtration device for cosmetic production according to claim 1, Features: A valve for controlling the discharge of cosmetic liquid is provided at the lower side of the chamber of the hopper (101). The coagulation block processing mechanism (2) can be moved by a conveyor (3) and is used to receive the cosmetic liquid. The coagulation block processing mechanism (2) comprises a frame (201), a vibrator module (202), a support frame (203), a processing module and a discharge plate (204), wherein the support frame (203) is installed at the upper side of the frame (201), and a plurality of groups of vibrator modules (202) are installed around the lower side of the frame (201), and the vibrator modules (202) include cam-type vibrators and / or swing-arm-type vibrators.

3. A liquid multi-stage filtration device for cosmetic production according to claim 2, Features: The support frame (203) is provided with a plurality of openings (205), each opening (205) being provided with a processing module, the processing module being a processing chamber (206) having an opening on the top side, and an outer edge which can be hung on the opening (205) being provided at the edge of the opening of the processing chamber (206).

4. A liquid multi-stage filtration device for cosmetic production according to claim 3, Features: The bottom and the outer side of the bottom of the processing bin (206) are both provided with openings (205), and a pre-processing chamber is provided in the processing bin (206). Multiple layers of steel mesh (207) for cutting coagulated blocks are provided in the pre-processing chamber. The multiple processing bins (206) can be moved to the position directly below the output end of the hopper (101) by means of a conveyor (3) to receive the cosmetic liquid, and the vibrator module (202) is used to generate vibration so that the steel mesh (207) can cut the coagulated blocks in the cosmetic liquid.

5. A liquid multi-stage filtration device for cosmetic production according to claim 2, Features: The unloading plate (204) is installed on the inner side of the frame (201) and is located directly below the support frame (203). The length and size of the unloading plate (204) are larger than the size of the support frame (203). Guard edges are integrally formed on both sides of the unloading plate (204). The unloading plate (204) is tilted downward and guides the liquid processed by the processing module to the impurity processing mechanism (4).

6. A liquid multi-stage filtration device for cosmetic production according to claim 1, Features: The impurity treatment mechanism (4) comprises a machine chamber (401), a flushing pipe (402), an impurity roller (403), a third reducer (404), and a liquid outlet pipe (405), wherein an opening is provided at the top of the machine chamber (401) to be connected to the output end of the blanking plate (204), a flushing pipe (402) is provided at the top side of the machine chamber (401), an impurity roller (403) is rotatably installed in the chamber of the machine chamber (401), and a third reducer (404) is provided outside the machine chamber (401) to drive the impurity roller (403) to rotate.

7. A liquid multi-stage filtration device for cosmetic production according to claim 6, Features: The flushing pipe (402) is connected to an external water source, and a high-pressure flushing head facing the impurity roller (403) is provided on the lower side of the flushing pipe (402); the impurity roller (403) comprises a roller end and heavy metal adsorption rods, wherein the heavy metal adsorption rods are distributed in a circular ring and have both ends respectively connected to the roller end, and a gap is provided between two adjacent heavy metal adsorption rods.

8. A liquid multi-stage filtration device for cosmetic production according to claim 7, Features: A long opening is provided at one side of the bottom of the impurity drum (403). The liquid outlet pipe (405) is connected to the long opening at one side of the bottom of the impurity drum (403) through a square flange. The liquid outlet pipe (405) can be connected to an external fine treatment device. The liquid outlet pipe (405) outputs the cosmetic liquid after pretreatment, agglomerate treatment, and heavy metal impurity treatment.

9. A liquid multi-stage filtration device for cosmetic production according to claim 1, Features: The conveyor (3) comprises an outer frame (301), a conveying steel belt (302), a power sprocket, a non-powered sprocket and a second speed reducer (303), wherein the power sprocket is distributed on both sides of the inner side of the outer frame (301), the non-powered sprocket is distributed between the two power sprockets, the power sprocket is driven by the second speed reducer, the conveying steel belt (302) is wrapped around the two power sprockets and the plurality of non-powered sprockets, and a rack that can mesh with the power sprocket and the non-powered sprocket is provided on the inner side of the conveying steel belt (302).

10. A method for using a liquid multi-stage filtration device for cosmetic production according to any one of claims 1 to 9, Features: The method comprises the steps of: S1: pumping the cosmetic liquid into the hopper (101), the hopper (101) drives two sets of foam roller brushes (102) to rotate via a first reducer (103), and the foam roller brushes (102) are used to adhere the foam, oil film and large-sized impurities in the cosmetic liquid; S2: After installing a plurality of processing modules, the coagulation block processing mechanism (2) is transported to the bottom of the hopper (101) via the conveyor (3), and the liquid after the froth treatment is discharged into the coagulation block processing mechanism (2) through the valve. The coagulation block processing mechanism (2) uses the vibrator module (202) to generate vibration so that the steel mesh (207) repeatedly cuts the coagulation blocks in the cosmetic liquid, so that the coagulation blocks in the cosmetic liquid are melted; S3: The cosmetic liquid after the melting of the coagulation block is transported to the impurity treatment mechanism (4) through the unloading plate (204). The impurity treatment mechanism (4) uses the rotating impurity roller (403) to absorb the heavy metal impurities in the cosmetic liquid. In addition, large-sized impurities that have not been pre-treated by unloading and the coagulation block treatment can also be stuck in the gap of the impurity roller (403). The cosmetic liquid treated by the impurity treatment mechanism (4) is discharged through the liquid outlet pipe (405) to perform the next fine filtration process.

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